a{
	text-decoration:none;
}
a:hover{
color: #00BFFF;
cursor:pointer;

}
.jubao:hover{
	display: block;
}
._null{
	border: solid 1px rgba(0,0,0,1);
	background-color: whitesmoke;
	text-align: center; 
	line-height: 40px;
	border-radius: 3px;
}
